o15-ctrremove tool (also known as the Office Removal Tool ) is a legacy utility developed by Microsoft to troubleshoot and completely uninstall Microsoft Office 2013 Office 2016 , and early versions of Office 365

Once the screen says "Success" or "Done", press any button to reboot your system. What to Expect After Running the Tool

We've all faced that frustrating computer problem: an Office installation process that freezes, an application that won't launch, or a broken version of Word, Excel, or PowerPoint that defies all attempts to fix. You try to uninstall Office the normal way through the Windows Control Panel, but it fails or leaves behind broken pieces that block a fresh installation. This is a common but solvable issue.